I have the same issue since 5.5.0 release kernel. Latest one which
works for me is 5.5.0-rc6.git3.2.

I was not sure how to debug this, so I did not submit a bug report.

I have this issue on the ThinkPad T480s with latest firmwares and so on.


On Thu, Feb 6, 2020 at 2:10 PM Richard W.M. Jones <rjo...@redhat.com> wrote:
>
> I tried out this kernel:
>
> - kernel-5.6.0-0.rc0.git1.2.fc32.x86_64
>
> It gets to grub, lets you select the kernel, but apparently no
> further.  It's kind of frustrating to debug because either it produces
> *no* messages at all even in verbose mode, or else it's screwing up
> the display somehow so that nothing can be seen.
>
> I moved back to kernel-5.5.0-0.rc6.git2.1.fc32.x86_64 which boots
> fine, so I don't think it's a UEFI or grub issue.
>
> Rich.
>
> --
> Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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